CN102671854A - Two-section drum screen for municipal domestic waste - Google Patents
Two-section drum screen for municipal domestic waste Download PDFInfo
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- CN102671854A CN102671854A CN2012101386630A CN201210138663A CN102671854A CN 102671854 A CN102671854 A CN 102671854A CN 2012101386630 A CN2012101386630 A CN 2012101386630A CN 201210138663 A CN201210138663 A CN 201210138663A CN 102671854 A CN102671854 A CN 102671854A
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- Prior art keywords
- rotary screen
- drum screen
- tuck
- chain
- outlet section
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/007—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls specially adapted for disintegrating refuse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/02—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with perforated container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a two-section drum screen for municipal domestic waste. The two-section drum screen comprises a fixed stand, and a drum screen and a drum screen driving device which are arranged on the fixed stand, wherein the drum screen comprises a drum screen inlet section and a drum screen outlet section which are connected with each other; a feed port is formed at an inlet of the drum screen inlet section; an undersize collection device is arrange below the drum screen; a plurality of screen holes are formed in circumferential directions of the drum screen inlet section and the drum screen outlet section; a plurality of bag breaking knives are arranged on the circumferential inner wall of the drum screen inlet section; knife cleaning devices which are matched with the bag breaking knives are arranged in the drum screen inlet section; the peripheries of the drum screen inlet section and the drum screen outlet section are provided with hole cleaning devices for cleaning the screen holes; a plurality of strip-shaped object hanging devices are arranged on the circumferential inner wall of the drum screen outlet section; and three rows of hanging needle chains are arranged in the drum screen outlet section. According to the two-section drum screen, the functions of screening, bag breaking and strip-shaped object collection can be effectively achieved, and beneficial conditions are created for classification and recycling of the municipal domestic waste.
Description
Technical field
The invention belongs to the comprehensive utilization of resources technical field, particularly relate to a kind of two-segment cylinder sieve that is used for domestic waste.
Background technology
Along with national economy is fast-developing, the sharp increase of domestic waste generation.2010; The National urban house refuse amount of clearing reaches 1.5 hundred million tons, and the landfill of rubbish reaches more than 80 ten thousand mu with the stacking land occupation, and the big and medium-sized cities in the whole nation 2/3 are absorbed in the encirclement of rubbish; 1/4 city has not had suitable dumping place, and new soot addressing all faces difficulty with building.Estimate that to the year two thousand twenty the National urban house refuse amount of clearing will reach 2.5 hundred million tons, the garbage disposal problem is extremely urgent.
Landfill method, burning method and composting process are mainly adopted in China's garbage disposal at present.Landfill yard very easily produces and is rich in CH
4Landfill gas, set off an explosion, also can produce a large amount of percolates, wherein contain heavy metal, poisonous and hazardous organic chemical pollutant and a large amount of virus causing disease bacterium.Very easily produce hypertoxicity carcinogen “ bioxin in the waste incineration process ", be difficult to on-line monitoring and cumulative effect is serious, burning method faces great public's pressure, and developed countries such as u.s.a. and japan have continued to close down waste incineration power plant.Composting process is because refuse classification is not meticulous, and plastics, iron, glass etc. remain in and causes fertilizer unclean in the composting raw material, cause soil pollution.Landfill method, burning method and composting process all can't thoroughly realize innoxious, the resource and the minimizing of garbage disposal.
Domestic waste sorting and comprehensive utilization technique utilize mechanical means efficiently to sub-elect the rubbish heterogeneity, to sub-elect different material in addition different resourcesization utilize mode.Refuse classification and comprehensive utilization technique have effectively integrated garbage as resource such as sorting consumer waste technology and burning, compost and have utilized mode, can realize garbage disposal minimizing completely, resource and innoxious.
The refuse classification and the comprehensive utilization technique of China are started late, and equipment and technological level are lower.Aspect domestic garbage resource utilized, the screening of rubbish was a requisite technical process in the processing procedure, and was applicable to that the equipment of house refuse screening adopts columnar rotary screen usually.Because the composition more complicated of China's house refuse, plastics, meal kitchen class rubbish are in the majority, and external sorting consumer waste equipment can not adapt to the sorting of the domestic waste of China well, and there is following deficiency in the existing rotary screen subset of China:
(1) rotary screen can only play basic screening function, can not realize brokenly the function of bag;
(2) rotary screen does not carry out effective sorting to the plastics in the domestic waste, and component selections and recycling after this just gives have brought difficulty.
Seeing that above-mentioned factor has restricted the recycling of China's house refuse, so some equipment that can be used for China's sorting consumer waste are also among continually developing.
Summary of the invention
The objective of the invention is to solve the problem that existing rotary screen can only play screening function, a kind of novel structure, two-part multifunctional rolling shaft screen that treatment effeciency is high are provided, realized screening, broken bag, chosen functions such as surplus and collection bar.
To achieve these goals, the present invention adopts following technical scheme:
A kind of two-segment cylinder sieve that is used for domestic waste comprises fixed frame, is installed in rotary screen and rotary screen drive unit on the fixed frame; Rotary screen comprises interconnective rotary screen entrance and rotary screen outlet section; Material inlet is installed on the porch of rotary screen entrance, and the below of rotary screen is provided with siftage collecting device; Be furnished with some sieve apertures on the circumferencial direction of rotary screen entrance and rotary screen outlet section, rotary screen entrance circumferential inner wall is equipped with some broken bag cuttves, is provided with the clear knife system that matches with said broken bag cutter in the rotary screen entrance; The periphery of rotary screen entrance and rotary screen outlet section is provided with the hole cleaning device of cleaning sieve aperture; Rotary screen outlet section circumferential inner wall is equipped with some bar and hangs device, and the bar gathering-device that three row's tuck chains are formed is installed in the rotary screen outlet section.
Preferably, angle is 3 ° ~ 8 ° between rotary screen and horizontal direction.
Preferably, broken bag cutter be shaped as rectangular pyramid shape, the one of which lateral vertical is in a broken bag cutter bottom surface.
Preferably, broken bag cutter is welded on the steel plate, and steel plate adopts the mode that embeds to be installed on the rotary screen entrance inwall circumference.
Preferably, clear knife system is fixed on the disk, its rotation direction and the direction of rotation of breaking the bag cutter.
Preferably, three row's tuck chains comprise the first tuck chain, the second tuck chain and the 3rd tuck chain; Be equipped with some tucks on the first tuck chain, the second tuck chain and the 3rd tuck chain; The spacing of the first tuck chain and the second tuck chain is 0.1D, and the spacing of the second tuck chain and the 3rd tuck chain is respectively 0.12D; The first tuck chain and the second tuck chain are positioned at rotary screen center one side, and the 3rd tuck chain is positioned at rotary screen center opposite side; The 3rd tuck chain departs from the 0.07D of centre of the drum; , tuck length is 0.25D, wherein D is the rotary screen diameter.
With respect to prior art, a kind of two-segment cylinder sieve that is used for domestic waste of the present invention, its advantage is:
(1) a kind of two-segment cylinder sieve that is used for domestic waste of the present invention broken bag cutter that tradition is used separately hangs with big bar and gathering-device organically combines; Realize broken bag, hung and collected the function of bar, realized the sorting and the recovery of plastics class rubbish.
(2) a kind of broken bag of two-segment cylinder sieve cutter that is used for domestic waste of the present invention be shaped as rectangular pyramid shape, the one of which lateral vertical has improved the broken bag efficient of broken bag cutter in a broken bag cutter bottom surface.
(3) a kind of bar gathering-device that is used for the two-segment cylinder sieve of domestic waste of the present invention is made up of the first tuck chain, the second tuck chain and the 3rd tuck chain three row's tuck chains, on every tuck chain tuck is installed all.Because house refuse is parabolic shape when falling; Through calculating; Adopt three row's tuck chains, the spacing of the first tuck chain and the second tuck chain, the second tuck chain and the 3rd tuck chain is respectively 0.1D, 0.12D; The first tuck chain and the second tuck chain are positioned at rotary screen center one side, and the 3rd tuck chain is positioned at rotary screen center opposite side; The 3rd tuck chain departs from the 0.07D of centre of the drum, and tuck length is 0.25D, and wherein D is a diameter of cylinder.Arrange that by this collection efficiency of bar gathering-device is the highest, economic impacts is best.
In sum, utilize described two-segment cylinder sieve, can reach the function of screening, broken bag, collection bar effectively, for the classification and the recycling of domestic waste have been created advantageous conditions.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is explained further details.
Fig. 1 is a two-segment cylinder sieve general structure sketch map.
Fig. 2 is the axial cutaway view of two-segment cylinder sieve entrance.
Fig. 3 is the axial cutaway view of two-segment cylinder sieve outlet section.
Fig. 4 is the broken bag of a two-segment cylinder sieve knife structure sketch map.
Fig. 5 is the left view of Fig. 4.
Among the figure, 1, the rotary screen entrance; 101, sieve aperture; 102, broken bag cutter; 103, clear knife system; 104, screwed hole; 105, steel plate; 2, material inlet; 3, house refuse; 4, rotary screen drive unit; 5, rotary screen outlet section; 501, bar hangs device; 502,503,504, tuck chain; 6, hole cleaning device; 7, siftage collecting device; 8, fixed frame.
The specific embodiment
See also Fig. 1 to shown in Figure 5, a kind of two-segment cylinder sieve that is used for domestic waste of the present invention comprises fixed frame 8, is installed in rotary screen and rotary screen drive unit 4 on the fixed frame 8; Rotary screen comprises interconnective rotary screen entrance 1 and rotary screen outlet section 5; Material inlet 2 is installed on the porch of rotary screen entrance 1, and the below of rotary screen is provided with siftage collecting device 7; Be furnished with some sieve apertures 101 on the circumferencial direction of rotary screen entrance 1 and rotary screen outlet section 5, rotary screen entrance 1 circumferential inner wall is equipped with some broken bag cuttves 102, is provided with the clear knife system 103 that matches with said broken bag cutter 102 in the rotary screen entrance 1; The periphery of rotary screen entrance 1 and rotary screen outlet section 5 is provided with the hole cleaning device 6 of cleaning sieve aperture 101; Rotary screen outlet section 5 circumferential inner walls are equipped with some bar and hang device 501, and the bar gathering-device that three row's tuck chains 502,503,504 are formed is installed in rotary screen outlet section 5.Angle β is 3 ° ~ 8 ° between rotary screen and horizontal direction.Break a bag cutter 102 and be welded on the steel plate 105, adopt the mode that embeds to be installed on the rotary screen entrance 1 inwall circumference, utilize screw rod will be welded with brokenly steel plate 105 jack-up of bag cutter 102 during dismounting, and steel plate 105 extractions are dismantled from an end through screwed hole 104.
House refuse is transported to the leading portion of the two-segment cylinder sieve that reaches certain rotating speed through material conveyor.House refuse in the entering rotary screen is followed rotary screen and is rotated together.When the house refuse rotation reach a certain height, house refuse was dished out with parabolical movement locus, fell back to the sieve end, repeated such process, made house refuse in cylinder, reach the state that constantly rolls.In the process of constantly rolling, particle diameter will pass through sieve aperture less than the material of sieve diameter and drop to sieve down in the middle of the gathering-device, particle diameter greater than the material of sieve diameter then along barrel from the screen drum lower end outlet discharge, thereby realize the function of screening.House refuse thrown drop to rotary screen at the bottom of the time; The broken bag cutter that the screen drum leading portion is installed advances bundle in the materials such as polybag, clothing; Extruding through unclassified stores again, effect such as tear, materials such as polybag, clothing are scratched, thereby realize the function of broken bag, duds thing.Polybag behind broken bag, clothing etc. enter into the back segment of two-segment cylinder sieve along with the rotation of rotary screen.On the back segment barrel circumferencial direction of rotary screen, bar is installed and hangs device, annex is equipped with bar and collects gathering-device at the center.Polybag behind the broken bag and clothing will be hung device by bar and provoke in the middle of with the rotary screen rotating process, and the back landing that reach a certain height drops on the bar gathering-device, be transported to outside the cylinder, thereby realize the broken bag of collecting function with bar.In order to prevent that sieve aperture from being stopped up by the higher house refuse of water content, the sieve aperture cleaning plant is installed at the outer wall of screen drum.Hole cleaning device cooperates with sieve aperture, and when sieve aperture forwarded hole cleaning device to, hole cleaning device was cleared up sieve aperture, thus the clear hole of reality function.
The workflow of two-segment cylinder sieve of the present invention is following: at first, domestic waste gets into the two-part multipurpose barrel sieve entrance 1 that reaches certain rotating speed through material inlet 2.The domestic waste of entering rotary screen entrance 1 is followed rotary screen and is rotated together; When the house refuse rotation reach a certain height, house refuse was dished out with parabolical movement locus, fell back to the sieve end; Repeat such process, make house refuse in cylinder, be in the state that constantly rolls.In the process of constantly rolling, particle diameter passes sieve aperture 101 less than the house refuse of sieve diameter, drops in the siftage collecting device 7, is collected and transports; Particle diameter is then discharged from rotary screen outlet section 5 greater than the material of sieve aperture 101 diameters, thus the screening function of the material of real Different Diameter grain.House refuse thrown drop to rotary screen at the bottom of the time; The broken bag cutter of installing on the rotary screen entrance 1 inwall circumference 102 advances bundle in the materials such as polybag, fabric; Extruding through unclassified stores again, effect such as tear; Materials such as polybag, clothing are scratched, thereby realize broken bag, the function of breaking fabric.Broken bag cutter 102 be shaped as rectangular pyramid shape, the one of which lateral vertical is in a broken bag cutter bottom surface.Polybag behind broken bag, fabric etc. are along with the rotation of rotary screen enters into rotary screen outlet section 5.On rotary screen outlet section 5 inwall circumferencial directions, bar is installed and hangs device 501, the bar of being made up of tuck chain 502,503,504 also is installed in rotary screen outlet section 5 inside collects gathering-device.The tuck chain comprises moving part and decides part; Some tucks are installed on the moving part, decide part moving part is led, tuck carries bar and moves to vertically outside the rotary screen outlet section.Polybag behind the broken bag and fabric are in the rotary screen rotating process; To be hung device 501 by bar provokes; Be slipped to after reaching a certain height on the bar gathering-device; Because the bar gathering-device is to have the tuck that limits width, therefore have only rectangular type of softer material to hang on the bar gathering-device.The plastics that hang on the bar gathering-device are transported to outside the cylinder, thereby have realized the collection conveying function of bar.In order to prevent brokenly that bag cutter 102 is twined by plastics class material, is equipped with the clear knife system 103 that is used to clear up brokenly the bag cutter at the rotary screen inwall in the process of broken bag.Clear knife system 103 is for being equipped with the disk of scraper.On the clear knife system 103, two scrapers cooperate breaking a bag cutter 102 with one, and two scrapers lay respectively at the both sides of a broken bag cutter 102, scraper and the direction of rotation of breaking bag cutter 102.When broken bag cutter 102 turned to the position of knife system 103 scrapers clearly, the plastics class garbage-cleaning that the scraper of broken bag cutter both sides just will be wrapped in brokenly on bag cutter got off, thereby realizes clear cutter function.In order to prevent that sieve aperture 101 from being stopped up by the higher house refuse of water content; Outer wall at screen drum is equipped with sieve aperture cleaning plant 6, and hole cleaning device 6 cooperates with sieve aperture, when sieve aperture turns to hole cleaning device 6; 6 pairs of sieve apertures of hole cleaning device are cleared up, thus the clear hole of reality function; Hole cleaning device 6 can be selected one type of hole cleaning device of hairbrush.
Claims (6)
1. a two-segment cylinder sieve that is used for domestic waste is characterized in that: comprise fixed frame, be installed in rotary screen and rotary screen drive unit (4) on the fixed frame;
Rotary screen comprises interconnective rotary screen entrance (1) and rotary screen outlet section (5); Material inlet (2) is installed on the porch of rotary screen entrance (1), and the below of rotary screen is provided with siftage collecting device (7);
Be furnished with some sieve apertures (101) on the circumferencial direction of rotary screen entrance (1) and rotary screen outlet section (5); Rotary screen entrance (1) circumferential inner wall is equipped with some broken bag cuttves (102), is provided with the clear knife system (103) that matches with said broken bag cutter (102) in the rotary screen entrance (1);
The periphery of rotary screen entrance (1) and rotary screen outlet section (5) is provided with the hole cleaning device (6) of cleaning sieve aperture (101);
Rotary screen outlet section (5) circumferential inner wall is equipped with some bar and hangs device (501), and the bar gathering-device that three row's tuck chains (502,503,504) are formed is installed in rotary screen outlet section (5).
2. two-segment cylinder sieve according to claim 1, it is characterized in that: angle is 3 ° ~ 8 ° between rotary screen and horizontal direction.
3. two-segment cylinder according to claim 1 sieve is characterized in that: broken bag cutter (102) be shaped as rectangular pyramid shape, the one of which lateral vertical is in a broken bag cutter bottom surface.
4. two-segment cylinder sieve according to claim 1, it is characterized in that: broken bag cutter (102) is welded on the steel plate (105), and steel plate (105) adopts the mode that embeds to be installed on rotary screen entrance (1) the inwall circumference.
5. two-segment cylinder sieve according to claim 1 is characterized in that: clear knife system (103) is fixed on the disk, its rotation direction and the direction of rotation of breaking bag cutter (102).
6. two-segment cylinder sieve according to claim 1 is characterized in that: three row's tuck chains comprise the first tuck chain (504), the second tuck chain (503) and the 3rd tuck chain (502); Be equipped with some tucks on the first tuck chain (504), the second tuck chain (503) and the 3rd tuck chain (502); The spacing of the first tuck chain (504) and the second tuck chain (503) is 0.1D, and the spacing of the second tuck chain (503) and the 3rd tuck chain (502) is respectively 0.12D; The first tuck chain (504) and the second tuck chain (503) are positioned at rotary screen center one side, and the 3rd tuck chain (502) is positioned at rotary screen center opposite side; The 3rd tuck chain (502) departs from the 0.07D of centre of the drum; Tuck length is 0.25D, and wherein D is the rotary screen diameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138663.0A CN102671854B (en) | 2012-05-07 | 2012-05-07 | Two-section drum screen for municipal domestic waste |
| PCT/CN2012/085416 WO2013166822A1 (en) | 2012-05-07 | 2012-11-28 | Two-sectional drum screen for municipal solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138663.0A CN102671854B (en) | 2012-05-07 | 2012-05-07 | Two-section drum screen for municipal domestic waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102671854A true CN102671854A (en) | 2012-09-19 |
| CN102671854B CN102671854B (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210138663.0A Expired - Fee Related CN102671854B (en) | 2012-05-07 | 2012-05-07 | Two-section drum screen for municipal domestic waste |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102671854B (en) |
| WO (1) | WO2013166822A1 (en) |
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| WO2013166822A1 (en) * | 2012-05-07 | 2013-11-14 | 西安交通大学 | Two-sectional drum screen for municipal solid waste |
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2012
- 2012-05-07 CN CN201210138663.0A patent/CN102671854B/en not_active Expired - Fee Related
- 2012-11-28 WO PCT/CN2012/085416 patent/WO2013166822A1/en active Application Filing
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| CN101326016A (en) * | 2005-10-13 | 2008-12-17 | 明日环保科技控股有限公司 | Apparatus for disposing garbage bags |
| GB2438076A (en) * | 2006-05-12 | 2007-11-14 | William Edmondson | Rotary screen drum |
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| CN108995929A (en) * | 2018-08-09 | 2018-12-14 | 河南绿色九州环保科技股份有限公司 | It is a kind of handle house refuse anti-extension twine bag-breaking equipment |
| CN110076077A (en) * | 2019-04-18 | 2019-08-02 | 广州励美环保科技有限公司 | A kind of house refuse drum screen |
| CN110142124A (en) * | 2019-05-21 | 2019-08-20 | 北京高能时代环境技术股份有限公司 | A kind of pretreating process and device for the sorting of rubbish from cooking organic matter |
| CN110202696A (en) * | 2019-06-27 | 2019-09-06 | 广西路桥工程集团有限公司 | A kind of fiber dispersal device |
| CN110202696B (en) * | 2019-06-27 | 2024-05-28 | 广西路桥工程集团有限公司 | Fiber dispersing device |
| CN111151360A (en) * | 2020-01-16 | 2020-05-15 | 江西达人建材有限公司 | Screening and crushing device for ceramsite production |
| CN111151360B (en) * | 2020-01-16 | 2021-07-20 | 江西达人建材有限公司 | Screening and crushing device for ceramsite production |
| CN114849851A (en) * | 2022-03-15 | 2022-08-05 | 宁波可可磁业股份有限公司 | Dust-free crushing and screening device for neodymium iron boron waste |
| CN114849851B (en) * | 2022-03-15 | 2023-09-22 | 宁波可可磁业股份有限公司 | Dust-free crushing and screening device for neodymium iron boron waste |
| CN114768947A (en) * | 2022-04-06 | 2022-07-22 | 四川国沃生物科技有限公司 | Organic fertilizer edulcoration equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102671854B (en) | 2014-12-24 |
| WO2013166822A1 (en) | 2013-11-14 |
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